Learn about slope measurement, leveling, earthworks and the earth resources used in permaculture design.
In our previous post, we delved into the importance of soils in permaculture design. We explored soil composition, pH, nutrients, and various techniques for soil rehabilitation, building, and maintaining soil biodiversity.
In this continuation of our "Manual" series, we delve into the significance of earthworks in permaculture, explore slope assessment and leveling, discuss diverse earthworks strategies, and examine the array of earth resources at our disposal.
In case you missed all the posts so far and would like to start the “Manual” series right from the beginning, the very first post is here.
The Role of Earthworks in Permaculture Design
Earthworks play a crucial role in permaculture design, serving to enhance landscapes for better water management, erosion control, and soil conservation.
Well-designed earthworks can improve the accessibility and productivity of land, making it suitable for growing food, managing livestock, and creating a sustainable living environment.
Definition and Measurement of Slope
The slope refers to the angle of the land's surface, which influences how water flows through the landscape. Measuring the slope helps identify potential areas for water catchment, storage, and erosion control.
Leveling
Leveling is an essential technique in earthworking that establishes an even surface across the landscape, the contour lines. These lines can then be used as guides for creating various earthworks.
The Bunyip and the A-frame levels are both simple, inexpensive tools used in permaculture design to measure and mark level lines or contours on a slope. These tools are particularly useful in permaculture because they allow for accurate, site-specific design that takes into account the unique topography of a given piece of land.
Earthworks
Banks
Banks are raised areas of earth, constructed to manage water flow, prevent soil erosion, and create more productive growing spaces.
Benches
Benches are flat areas created on steep slopes, improving access and efficient use of the land.
Terraces
Terraces are flat, stepped surfaces created on slopes, designed to manage water flow, prevent soil erosion, and increase productivity.
Earth Resources
Topsoil is essential for healthy plant growth and is a valuable resource in permaculture design.
Clay is a versatile earth resource, useful for various purposes, including building materials, landscaping features, and erosion control.
Sand can be used in multiple ways in permaculture, such as improving soil drainage, creating landscape features, or as a building material.
Gravel is an earth resource that can be used for drainage, landscaping, and construction purposes.
Boulders can be utilized in permaculture design for landscaping features, erosion control, and construction.
We hope this post has enriched your understanding of earthworking and the value of earth resources in permaculture design. Join us as we continue our "Manual" series, venturing into the next chapter, which will delve into the unique and vibrant realm of the "Humid Tropics".
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Next Post: Chapter 10: The Humid Tropics
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